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The northern flicker or common flicker (Colaptes auratus) is a medium-sized bird of the woodpecker family. It is native to most of North America, parts of Central America, Cuba, and the Cayman Islands , and is one of the few woodpecker species that migrate .
Colaptes is a genus of birds in the woodpecker family Picidae.The 14 species are found across the Americas. Colaptes woodpeckers typically have a brown or green back and wings with black barring, and a beige to yellowish underside, with black spotting or barring.
Fernandina's flicker breeds between March and June; [2] during courtship, pairs regularly engage in high-flying chases. Like all woodpeckers, it is a cavity nester.Recent fieldwork has shown that it prefers to use nest holes started by West Indian woodpeckers (Melanerpes superciliaris); the flicker drives off the original owners, finishes off the excavation work, and moves in. [5] The female ...
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In visual perception, flicker is a human-visible change in luminance of an illuminated surface or light source which can be due to fluctuations of the light source itself, or due to external causes such as due to rapid fluctuations in the voltage of the power supply (power-line flicker) or incompatibility with an external dimmer.
Richardson's ground squirrel (Urocitellus richardsonii), also known as the dakrat or flickertail, is a North American ground squirrel in the genus Urocitellus.Like a number of other ground squirrels, they are sometimes called prairie dogs or gophers, though the latter name belongs more strictly to the pocket gophers of family Geomyidae, and the former to members of the genus Cynomys.